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    • 17. 发明授权
    • Indoor localization system and method
    • 室内定位系统及方法
    • US08022876B2
    • 2011-09-20
    • US12472078
    • 2009-05-26
    • Polly HuangTsung-Han Lin
    • Polly HuangTsung-Han Lin
    • G01S3/02
    • G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons in an indoor space and each periodically transmitting a localization signal, a radio badge receiving the localization signals, and a host coupled to the beacons and the radio badge. The beacons transmit the localization signals asynchronously. The indoor localization method includes a training phase and a tracking phase. During the training phase, signal vectors are formed from the localization signals received by the radio badge, and a signal ID value is generated from the signal vectors. During the tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. An estimated position of the radio badge is obtained using the signal vectors of the tracking phase and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括在室内空间中的信标,并且周期性地发送定位信号,接收定位信号的无线电徽章以及耦合到信标和无线电徽章的主机。 信标异步发送定位信号。 室内定位方法包括训练阶段和跟踪阶段。 在训练阶段期间,由无线电徽章接收的定位信号形成信号矢量,并从信号矢量生成信号ID值。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 使用跟踪相位和信号ID值的信号矢量来获得无线电徽章的估计位置。
    • 18. 发明授权
    • Indoor localization system and method
    • 室内定位系统及方法
    • US08022875B2
    • 2011-09-20
    • US12472073
    • 2009-05-26
    • Polly HuangTsung-Han LinI-Hei Ng
    • Polly HuangTsung-Han LinI-Hei Ng
    • G01S3/02
    • G01S1/68G01S5/0252
    • An indoor localization method is implemented using an indoor localization system that includes beacons deployed in an indoor space and transmitting localization signals, and a radio badge for receiving the localization signals. The indoor localization method includes forming signal vectors from the localization signals received by the radio badge at each of predetermined locations in the indoor space, and generating a signal ID value from the signal vectors for each beacon from which the radio badge has received the localization signals. During a tracking phase, signal vectors are formed from the localization signals received by the radio badge at a current location. If the number of the signal ID values is smaller than the number of the signal vectors, the sum of the signal distances is normalized by the number of the signal ID values. An estimated position of the radio badge is obtained using the signal vectors and the signal ID values.
    • 使用室内定位系统实现室内定位方法,所述室内定位系统包括部署在室内空间中的信标并发送定位信号,以及用于接收定位信号的无线电徽章。 室内定位方法包括从室内空间中的每个预定位置处的无线电徽章接收的定位信号形成信号矢量,并且从无线电徽章已经从其接收到定位信号的每个信标的信号向量生成信号ID值 。 在跟踪阶段期间,信号矢量由当前位置处由无线电徽章接收的定位信号形成。 如果信号ID值的数量小于信号矢量的数量,则信号距离的和通过信号ID值的数量进行归一化。 使用信号矢量和信号ID值来获得无线电徽章的估计位置。